Searching a systematics for nonfactorizable contributions to hadronic decays of $ D^{0}$ and $ D^{+}$ mesons

Details Searching a systematics for nonfactorizable contributions to hadronic decays of $ D^{0}$ and $ D^{+}$ mesons Searching a systematics for nonfactorizable contributions to hadronic decays of $ D^{0}$ and $ D^{+}$ mesons

1995-06-20

arxiv.org/abs/hep-ph/9506376v1

Z.Phys. C69 (1996) 253-258

Physics

High Energy Physics

High Energy Physics - Phenomenology

23 pages, Latex

Scientific paper

We investigate nonfactorizable contributions to charm meson decays in $ D \rightarrow \bar K \pi $/ $ \bar K \rho$ /$ \bar K ^{*} \pi$ / $ \bar K a_{1}$ / $ \bar K ^{*} \rho $ modes. Obtaining the contributions from spectator-quark diagrams for $ N_{c}$ = 3, we determine nonfactorizable isospin 1/2 and 3/2 amplitudes required to explain the data for these modes. We observe that ratio of these amplitudes seem to follow a universal value.

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